Classification of safety signs prohibition signs prohibition signs of meaning are not allowed or stop certain actions of people. Prohibition signs warning signs ring geometry is custom with a slash, which is connected to the ring and slash security warning signs, red; graphic symbols black background with white. China provides a total prohibition sign 28, wherein the power-related, such as: ban flammable, non-smoking, closed to traffic, ban fireworks, fire-fighting water is prohibited, forbidden band fire ban prohibiting rotation start up repair is prohibited during operation Come to prohibit cross, ban travel ban climbing and so on. The transport sector needs attention obstacle sign safety signs. (1), pay attention to signal flag (Note semaphores) This flag is located in the driver's difficult to find a suitable location before crossing in front of the control signal. (2) Watch for falling rocks sign (Watch for falling rocks) This flag is provided in danger of falling rock hillside road before the appropriate location. Safety warning signs on the type of two-way traffic on the road (3) two-way traffic signs (two-way traffic), using natural or artificial isolation safety warning signs specifications, the complete separation of traffic up and down the line, for some reason (construction, bridge, tunnel ) the formation of a non-isolated two-way lane, shall set this flag to warn the driver in front of a non-isolated two-way traffic. Safety warning signs customization, Shanxi safety warning signs, signs Yu Po. Po by signs Ltd. Changyuan Henan. Changyuan Yu Po signs Ltd. (www.hnypbp.com) strong, credible, in Xinxiang nameplate industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Yu Po into the brilliant signage and you work for a better future!